High-sensitivity C-reactive protein, adiposity, and blood pressure in the Yakut of Siberia

M. V. Sorensen*, W. R. Leonard, L. A. Tarskaya, K. I. Ivanov, J. J. Snodgrass, V. P. Alekseev, V. G. Krivoshapkin, N. Rifai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


C-reactive protein (CRP), an acute-phase reactant and marker of inflammatory response, is known to be an important predictor of future cardiovascular mortality, independent of other risk factors. The purpose of this research was to investigate the association between CRP, adiposity, and blood pressure in the Yakut, an indigenous Siberian population undergoing rapid cultural change. We conducted a cross-sectional study of 265 healthy Yakut adults in six villages in rural northeastern Siberia. Plasma CRP was measured by high-sensitivity immuno-turbidimetric assay. The median CRP value was 0.85 mg/l, with values for the 25th, 50th, and 75th percentiles of 0.30, 0.85, and 2.28 mg/l, respectively. CRP was positively associated with age (r = 0.19; P = 0.002), but not plasma lipids or smoking status. CRP was associated with measures of central adiposity and characteristics of the metabolic syndrome, particularly in women. We found significantly higher CRP across quintiles (Q) of waist circumference for women (difference = 0.7 mg/l; P = 0.035), but not men (difference = 0.36 mg/l; P = 0.515). CRP was significantly associated with systolic blood pressure in men (difference, Q1 vs. Q5 = 1.1 mg/1; P = 0.044) but not women (difference, Q1 vs. Q5 = 0.03 mg/l; P = 0.713) after adjusting for age, waist circumference, and smoking status. CRP in the Yakut was considerably lower than was reported for other populations. The low CRP levels may be explained in part by a low prevalence of abdominal obesity. Among the Yakut, the high physical-activity demands of a traditional herding lifeway likely play a role through high energy expenditure and maintenance of negative energy balance. Our findings underscore the need for further research on the metabolic activity of adipose tissue, blood pressure, and inflammatory activation in non-Western population.

Original languageEnglish (US)
Pages (from-to)766-775
Number of pages10
JournalAmerican Journal of Human Biology
Issue number6
StatePublished - Nov 2006

ASJC Scopus subject areas

  • Anthropology
  • Genetics
  • Ecology, Evolution, Behavior and Systematics
  • Anatomy


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